{"entity":{"iso2":"LK","iso3":"LKA","name":"Sri Lanka","slug":"sri-lanka"},"indicator":{"licence":"CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)","slug":"pupil-trained-teacher-ratio-in-upper-secondary-education-headcount-basis-2","source":"UNESCO Institute for Statistics","source_url":"https://data.uis.unesco.org/?indicator=PTRHC.3.TRAINED","title":"Pupil-trained teacher ratio in upper secondary education (headcount basis)","unit":"headcount basis"},"observations":[{"date":"2016-01-01","value":23.1477},{"date":"2017-01-01","value":22.3719},{"date":"2018-01-01","value":23.5888},{"date":"2021-01-01","value":19.9694},{"date":"2022-01-01","value":19.4848},{"date":"2023-01-01","value":19.5925}],"summary":{"latest_period":"2023-01-01","latest_value":19.5925,"max":23.5888,"mean":21.3592,"min":19.4848,"of":77,"rank":29,"trend":"falling"}}